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Finding the Third Proportional to 8,340,423 and 18,115,387

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Solution

The third proportional to 8,340,423 and 18,115,387 is: 39,346,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,423 : 18,115,387 = 18,115,387 : x
  2. Step 2: Convert to fraction form
    8,340,423/18,115,387 = 18,115,387/x
  3. Step 3: Cross multiply
    8,340,423x = 18,115,387 × 18,115,387
  4. Step 4: Simplify right side
    8,340,423x = 328,167,246,159,769
  5. Step 5: Solve for x
    x = 328,167,246,159,769/8,340,423
  6. Step 6: Final answer
    x = 39,346,595.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.